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  • Sustainability


    Campus Bielefeld University
    © Bielefeld University

Toner cartridge collection

View into a collection box with empty toner cartridges
© Bielefeld University

Did you know that in most of the copying rooms at the university you can find toner collection boxes from the manufacturer Ricoh and collection boxes from the campaign Sammeldrache for non-Ricoh toners? In both cases, the collected cartridges are refurbished and reused after an inspection and only disposed of if they cannot be refurbished. The respective departments / secretary's offices are independently responsible for the purchase of the Ricoh boxes.

The collection box of the collection dragon campaign can be requested by sending an email to

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